Library
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Osteosarcoma, or bone cancer, is common in large breed dogs and is very aggressive, with upwards of 90-95% of patients having micrometastasis. Osteosarcoma is very painful. Lameness or a distinct swelling may be noted. Amputation is by far the most common treatment with chemotherapy following surgery. Radiation therapy may also be an option.
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Rarely, ovarian tissue can be left behind when a dog is spayed. This leads to the ongoing secretion of hormones such as estrogen and progesterone that can result in a dog continuing to have a heat cycle. Ovarian remnants are difficult to diagnose, but vaginal cytology combined with hormone testing can be used to confirm the presence of functional ovarian tissue. Surgical treatment is typically recommended to prevent other health conditions from developing.
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Ovarian tumors are quite rare in North American pets, mainly due to routine spaying practices. This handout discusses ovarian tumors in dogs and cats. The various forms of ovarian tumors, clinical signs, diagnosis, treatment, and prognosis of this cancer are outlined.
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Ferrets are generally good-natured, inquisitive, playful animals that enjoy the company of humans. They can make great pets! This handout provides some basic facts about ferrets and what you need to know about keeping one as a pet.
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Gerbils generally make good family pets but should never be left unsupervised with small children. If well-socialized from a young age and treated gently, they can be wonderful pets. The incisors (front teeth) of all rodents grow continuously throughout the animal's life. Gerbils do not require vaccines, but they should have annual examinations.
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If well socialized from a young age and treated gently, hamsters are generally slow moving, reasonably easy to handle, and affectionate. Hamsters make good family pets but should never be left unsupervised with small children. Hamsters should have annual physical examinations and fecal tests for intestinal parasites.
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Prairie dogs (most often black-tailed prairie dogs) are becoming popular as pets. Like all rodents, they have teeth that continually grow throughout life. They are active, playful and sturdy rodents and can make wonderful, affectionate pets if purchased young, socialized properly and given lots of attention.
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Pet rodents, sometimes also referred to as pocket pets are very popular pets. Hamsters, rats, mice, gerbils, and guinea pigs are the most common rodents kept as pets. They make good first pets for young children and as a rule require minimal care.
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Guinea pigs live, on average, 5-6 years; although some can live to 8-10 years of age. Their teeth grow continuously, throughout life, and it is critical that they eat grass hay, such as Timothy hay, every day to help them wear down their teeth as they grow. Young guinea pigs display a unique behavior called popcorning when they are happy, in which they jump straight up in the air and let out squeals of delight. Guinea pigs reach sexual maturity at around 3-4 months of age; therefore, if young males and females are housed together, they should be separated by this age, otherwise they are likely to breed. The average gestation period for guinea pigs is 63 days. If gestation continues over 70 days, the guinea pig should be seen immediately by a veterinarian, and it is likely that the entire litter will be stillborn.
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Most cats instinctively hide their pain as a survival mechanism which can make detecting pain in cats a challenge. Although the signs may be subtle, careful observation of a cat’s everyday behaviors will often reveal pain when it is present. These signs may include changes in behavior, mobility, elimination, and grooming habits. Common pain medications include NSAIDs and opioids. Your veterinarian will choose the appropriate drugs based on your cat's specific needs.